Resolving dependencies...
Configuring bzlib-0.5.0.5...
Configuring SHA-1.6.4.2...
Building bzlib-0.5.0.5...
Building SHA-1.6.4.2...
Installed bzlib-0.5.0.5
Configuring curl-1.3.8...
Building curl-1.3.8...
Installed SHA-1.6.4.2
Configuring enummapset-0.5.2.1...
Building enummapset-0.5.2.1...
Configuring hxt-charproperties-9.2.0.1...
Installed curl-1.3.8
Building hxt-charproperties-9.2.0.1...
Installed enummapset-0.5.2.1
Configuring mtl-2.2.1...
Building mtl-2.2.1...
Configuring network-2.6.3.1...
Installed hxt-charproperties-9.2.0.1
Configuring old-locale-1.0.0.7...
Installed mtl-2.2.1
Building old-locale-1.0.0.7...
Configuring parallel-3.2.1.0...
Installed old-locale-1.0.0.7
Building network-2.6.3.1...
Building parallel-3.2.1.0...
Configuring unix-compat-0.4.3.1...
Installed parallel-3.2.1.0
Building unix-compat-0.4.3.1...
Configuring text-1.2.2.1...
Installed unix-compat-0.4.3.1
Building text-1.2.2.1...
Installed network-2.6.3.1
Configuring hslogger-1.2.10...
Building hslogger-1.2.10...
Configuring hxt-unicode-9.0.2.4...
Installed hslogger-1.2.10
Building hxt-unicode-9.0.2.4...
Installed hxt-unicode-9.0.2.4
Installed text-1.2.2.1
Configuring parsec-3.1.11...
Building parsec-3.1.11...
Installed parsec-3.1.11
Configuring network-uri-2.6.1.0...
Configuring hxt-regex-xmlschema-9.2.0.3...
Building network-uri-2.6.1.0...
Building hxt-regex-xmlschema-9.2.0.3...
Installed network-uri-2.6.1.0
Installed hxt-regex-xmlschema-9.2.0.3
Configuring hxt-9.3.1.16...
Building hxt-9.3.1.16...
Installed hxt-9.3.1.16
Configuring hxt-cache-9.1.0.2...
Configuring hxt-curl-9.1.1.1...
Building hxt-cache-9.1.0.2...
Building hxt-curl-9.1.1.1...
Installed hxt-curl-9.1.1.1
Installed hxt-cache-9.1.0.2
Configuring Holumbus-Searchengine-1.2.0...
Building Holumbus-Searchengine-1.2.0...
Failed to install Holumbus-Searchengine-1.2.0
Build log ( /home/builder/.cabal/logs/Holumbus-Searchengine-1.2.0.log ):
cabal: Entering directory '/tmp/cabal-tmp-23729/Holumbus-Searchengine-1.2.0'
Configuring Holumbus-Searchengine-1.2.0...
Building Holumbus-Searchengine-1.2.0...
Preprocessing library Holumbus-Searchengine-1.2.0...
[ 1 of 46] Compiling Holumbus.Utility ( src/Holumbus/Utility.hs, dist/build/Holumbus/Utility.o )
[ 2 of 46] Compiling Holumbus.Query.Fuzzy ( src/Holumbus/Query/Fuzzy.hs, dist/build/Holumbus/Query/Fuzzy.o )
[ 3 of 46] Compiling Holumbus.Index.Common.LoadStore ( src/Holumbus/Index/Common/LoadStore.hs, dist/build/Holumbus/Index/Common/LoadStore.o )
[ 4 of 46] Compiling Holumbus.Index.Common.DocId ( src/Holumbus/Index/Common/DocId.hs, dist/build/Holumbus/Index/Common/DocId.o )
[ 5 of 46] Compiling Holumbus.Index.Common.DocIdMap ( src/Holumbus/Index/Common/DocIdMap.hs, dist/build/Holumbus/Index/Common/DocIdMap.o )

src/Holumbus/Index/Common/DocIdMap.hs:124:22: error:
    • Illegal instance declaration for ‘NFData (DocIdMap v)’
        (All instance types must be of the form (T a1 ... an)
         where a1 ... an are *distinct type variables*,
         and each type variable appears at most once in the instance head.
         Use FlexibleInstances if you want to disable this.)
    • In the instance declaration for ‘NFData (DocIdMap v)’

src/Holumbus/Index/Common/DocIdMap.hs:127:22: error:
    • Illegal instance declaration for ‘Binary (DocIdMap v)’
        (All instance types must be of the form (T a1 ... an)
         where a1 ... an are *distinct type variables*,
         and each type variable appears at most once in the instance head.
         Use FlexibleInstances if you want to disable this.)
    • In the instance declaration for ‘Binary (DocIdMap v)’
cabal: Leaving directory '/tmp/cabal-tmp-23729/Holumbus-Searchengine-1.2.0'
cabal: Error: some packages failed to install:
Holumbus-Searchengine-1.2.0 failed during the building phase. The exception
was:
ExitFailure 1